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            <h1>ユーティリティとヘルパー</h1>
<ul><li><a href="cache.html">中間アクティベーション用のキャッシュ (推論を高速化するため)</a></li>
<li><a href="finetune.html">微調整用ツール</a></li>
<li><a href="trainer.html">トレーナー</a></li>
<li><a href="text_dataset.html">テキストデータセット</a></li></ul>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">15</span><span></span><span class="kn">import</span> <span class="nn">typing</span>
<span class="lineno">16</span><span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">List</span><span class="p">,</span> <span class="n">Optional</span>
<span class="lineno">17</span>
<span class="lineno">18</span><span class="kn">import</span> <span class="nn">torch</span>
<span class="lineno">19</span>
<span class="lineno">20</span><span class="kn">from</span> <span class="nn">labml</span> <span class="kn">import</span> <span class="n">logger</span>
<span class="lineno">21</span><span class="kn">from</span> <span class="nn">labml.logger</span> <span class="kn">import</span> <span class="n">Text</span>
<span class="lineno">22</span><span class="kn">from</span> <span class="nn">labml_nn.neox.tokenizer</span> <span class="kn">import</span> <span class="n">get_tokenizer</span>
<span class="lineno">23</span>
<span class="lineno">24</span><span class="k">if</span> <span class="n">typing</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
<span class="lineno">25</span>    <span class="kn">from</span> <span class="nn">tokenizers</span> <span class="kn">import</span> <span class="n">Tokenizer</span></pre></div>
        </div>
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    <div class='section' id='section-1'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-1'>#</a>
            </div>
            <p>トークナイザーシングルトン</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">28</span><span class="n">_TOKENIZER</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="s1">&#39;Tokenizer&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></pre></div>
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    </div>
    <div class='section' id='section-2'>
        <div class='docs doc-strings'>
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            </div>
            <h3>トークン ID を取得</h3>
<ul><li><code  class="highlight"><span></span><span class="n">text</span></code>
トークン化するテキストです</li>
<p>トークン ID <em>を返します</em></p></ul>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">31</span><span class="k">def</span> <span class="nf">get_tokens</span><span class="p">(</span><span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">List</span><span class="p">[</span><span class="nb">int</span><span class="p">]:</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-3'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-3'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">38</span>    <span class="k">global</span> <span class="n">_TOKENIZER</span>
<span class="lineno">39</span>    <span class="k">if</span> <span class="n">_TOKENIZER</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="lineno">40</span>        <span class="n">_TOKENIZER</span> <span class="o">=</span> <span class="n">get_tokenizer</span><span class="p">()</span>
<span class="lineno">41</span>    <span class="k">return</span> <span class="n">_TOKENIZER</span><span class="o">.</span><span class="n">encode_batch</span><span class="p">([</span><span class="n">text</span><span class="p">])[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">ids</span></pre></div>
        </div>
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    <div class='section' id='section-4'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-4'>#</a>
            </div>
            <h3>モデル出力からトークンを印刷</h3>
<p>Pretty は、モデルからの出力と一緒にターゲットトークンを出力します。</p>
<ul><li><code  class="highlight"><span></span><span class="n">ids</span></code>
ターゲットトークン ID</li>
<li><code  class="highlight"><span></span><span class="n">xs</span></code>
はモデルの出力です</li></ul>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">44</span><span class="k">def</span> <span class="nf">print_token_outputs</span><span class="p">(</span><span class="n">ids</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="nb">int</span><span class="p">],</span> <span class="o">*</span><span class="n">xs</span><span class="p">:</span> <span class="n">torch</span><span class="o">.</span><span class="n">Tensor</span><span class="p">):</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-5'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-5'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">53</span>    <span class="n">ids</span> <span class="o">=</span> <span class="n">ids</span> <span class="o">+</span> <span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
<span class="lineno">54</span>    <span class="n">xs</span> <span class="o">=</span> <span class="p">[[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">+</span> <span class="n">x</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">max</span><span class="p">(</span><span class="n">dim</span><span class="o">=-</span><span class="mi">1</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">tolist</span><span class="p">()</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">xs</span><span class="p">]</span>
<span class="lineno">55</span>
<span class="lineno">56</span>    <span class="n">print_tokens</span><span class="p">(</span><span class="n">ids</span><span class="p">,</span> <span class="n">xs</span><span class="p">)</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-6'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-6'>#</a>
            </div>
            <h3>トークンの印刷</h3>
<p>Pretty は比較用のトークンを印刷します</p>
<ul><li><code  class="highlight"><span></span><span class="n">target</span></code>
ターゲットトークン ID</li>
<li><code  class="highlight"><span></span><span class="n">others</span></code>
はモデルからサンプリングされた出力です</li></ul>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">59</span><span class="k">def</span> <span class="nf">print_tokens</span><span class="p">(</span><span class="n">target</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="nb">int</span><span class="p">],</span> <span class="n">others</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n">List</span><span class="p">[</span><span class="nb">int</span><span class="p">]]):</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-7'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-7'>#</a>
            </div>
            <p>トークナイザーをロード</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">70</span>    <span class="k">global</span> <span class="n">_TOKENIZER</span>
<span class="lineno">71</span>    <span class="k">if</span> <span class="n">_TOKENIZER</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="lineno">72</span>        <span class="n">_TOKENIZER</span> <span class="o">=</span> <span class="n">get_tokenizer</span><span class="p">()</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-8'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-8'>#</a>
            </div>
            <p>トークンを文字列のリストに変換</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">75</span>    <span class="n">text</span> <span class="o">=</span> <span class="p">[]</span>
<span class="lineno">76</span>    <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">target</span><span class="p">)):</span>
<span class="lineno">77</span>        <span class="n">tokens</span> <span class="o">=</span> <span class="p">[</span><span class="n">_TOKENIZER</span><span class="o">.</span><span class="n">decode</span><span class="p">([</span><span class="n">target</span><span class="p">[</span><span class="n">i</span><span class="p">]])</span> <span class="k">if</span> <span class="n">target</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">!=</span> <span class="o">-</span><span class="mi">1</span> <span class="k">else</span> <span class="s1">&#39;---&#39;</span><span class="p">]</span>
<span class="lineno">78</span>        <span class="k">for</span> <span class="n">j</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">others</span><span class="p">)):</span>
<span class="lineno">79</span>            <span class="n">tokens</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">_TOKENIZER</span><span class="o">.</span><span class="n">decode</span><span class="p">([</span><span class="n">others</span><span class="p">[</span><span class="n">j</span><span class="p">][</span><span class="n">i</span><span class="p">]])</span> <span class="k">if</span> <span class="n">others</span><span class="p">[</span><span class="n">j</span><span class="p">][</span><span class="n">i</span><span class="p">]</span> <span class="o">!=</span> <span class="o">-</span><span class="mi">1</span> <span class="k">else</span> <span class="s1">&#39;---&#39;</span><span class="p">)</span>
<span class="lineno">80</span>
<span class="lineno">81</span>        <span class="n">text</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">tokens</span><span class="p">)</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-9'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-9'>#</a>
            </div>
            <p>統計情報</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">84</span>    <span class="n">correct</span> <span class="o">=</span> <span class="p">[</span><span class="mi">0</span> <span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">others</span><span class="p">]</span>
<span class="lineno">85</span>    <span class="n">total</span> <span class="o">=</span> <span class="mi">0</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-10'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-10'>#</a>
            </div>
            <p>トークンを繰り返し処理</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">88</span>    <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">target</span><span class="p">)):</span>
<span class="lineno">89</span>        <span class="n">parts</span> <span class="o">=</span> <span class="p">[(</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s1">: &#39;</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">meta</span><span class="p">)]</span>
<span class="lineno">90</span>        <span class="n">parts</span> <span class="o">+=</span> <span class="p">[(</span><span class="s1">&#39;&quot;&#39;</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="p">(</span><span class="n">text</span><span class="p">[</span><span class="n">i</span><span class="p">][</span><span class="mi">0</span><span class="p">],</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="p">(</span><span class="s1">&#39;&quot;&#39;</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="s1">&#39;</span><span class="se">\t</span><span class="s1">&#39;</span><span class="p">]</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-11'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-11'>#</a>
            </div>
            <p>空のターゲット</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">93</span>        <span class="k">if</span> <span class="n">target</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span><span class="p">:</span>
<span class="lineno">94</span>            <span class="k">for</span> <span class="n">j</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">others</span><span class="p">)):</span>
<span class="lineno">95</span>                <span class="n">parts</span> <span class="o">+=</span> <span class="p">[(</span><span class="s1">&#39;&quot;&#39;</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="p">(</span><span class="n">text</span><span class="p">[</span><span class="n">i</span><span class="p">][</span><span class="n">j</span> <span class="o">+</span> <span class="mi">1</span><span class="p">],</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="p">(</span><span class="s1">&#39;&quot;&#39;</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="s1">&#39;</span><span class="se">\t</span><span class="s1">&#39;</span><span class="p">]</span>
<span class="lineno">96</span>
<span class="lineno">97</span>            <span class="n">logger</span><span class="o">.</span><span class="n">log</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span>
<span class="lineno">98</span>            <span class="k">continue</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-12'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-12'>#</a>
            </div>
            <p>トークンの数</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">101</span>        <span class="n">total</span> <span class="o">+=</span> <span class="mi">1</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-13'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-13'>#</a>
            </div>
            <p>その他の出力</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">104</span>        <span class="k">for</span> <span class="n">j</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">others</span><span class="p">)):</span>
<span class="lineno">105</span>            <span class="n">correct</span><span class="p">[</span><span class="n">j</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span> <span class="k">if</span> <span class="n">others</span><span class="p">[</span><span class="n">j</span><span class="p">][</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="n">target</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="k">else</span> <span class="mi">0</span>
<span class="lineno">106</span>
<span class="lineno">107</span>            <span class="n">parts</span> <span class="o">+=</span> <span class="p">[(</span><span class="s1">&#39;&quot;&#39;</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span>
<span class="lineno">108</span>                      <span class="p">(</span><span class="n">text</span><span class="p">[</span><span class="n">i</span><span class="p">][</span><span class="n">j</span> <span class="o">+</span> <span class="mi">1</span><span class="p">],</span> <span class="n">Text</span><span class="o">.</span><span class="n">success</span> <span class="k">if</span> <span class="n">others</span><span class="p">[</span><span class="n">j</span><span class="p">][</span><span class="n">i</span><span class="p">]</span> <span class="o">==</span> <span class="n">target</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="k">else</span> <span class="n">Text</span><span class="o">.</span><span class="n">danger</span><span class="p">),</span>
<span class="lineno">109</span>                      <span class="p">(</span><span class="s1">&#39;&quot;&#39;</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">subtle</span><span class="p">),</span> <span class="s1">&#39;</span><span class="se">\t</span><span class="s1">&#39;</span><span class="p">]</span>
<span class="lineno">110</span>
<span class="lineno">111</span>        <span class="n">logger</span><span class="o">.</span><span class="n">log</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-14'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-14'>#</a>
            </div>
            <p>統計情報</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">114</span>    <span class="n">parts</span> <span class="o">=</span> <span class="p">[(</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">total</span><span class="si">}</span><span class="s1">&#39;</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">highlight</span><span class="p">),</span> <span class="s1">&#39;</span><span class="se">\t</span><span class="s1">&#39;</span><span class="p">]</span>
<span class="lineno">115</span>    <span class="k">for</span> <span class="n">j</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">others</span><span class="p">)):</span>
<span class="lineno">116</span>        <span class="n">parts</span> <span class="o">+=</span> <span class="p">[(</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">correct</span><span class="p">[</span><span class="n">j</span><span class="p">]</span><span class="si">}</span><span class="s1">&#39;</span><span class="p">,</span> <span class="n">Text</span><span class="o">.</span><span class="n">value</span><span class="p">),</span> <span class="s1">&#39;</span><span class="se">\t</span><span class="s1">&#39;</span><span class="p">]</span>
<span class="lineno">117</span>    <span class="n">logger</span><span class="o">.</span><span class="n">log</span><span class="p">(</span><span class="n">parts</span><span class="p">)</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-15'>
        <div class='docs doc-strings'>
            <div class='section-link'>
                <a href='#section-15'>#</a>
            </div>
            <h3>バランスレイヤー</h3>
<p>に分割<code  class="highlight"><span></span><span class="n">n_chunks</span></code>
. <code  class="highlight"><span></span><span class="n">n_layers</span></code>
これはパイプラインの並列トレーニングに使用されます。</p>
<ul><li><code  class="highlight"><span></span><span class="n">n_layers</span></code>
はレイヤーの数</li>
<li><code  class="highlight"><span></span><span class="n">n_chunks</span></code>
はチャンクの数</li>
<p>Returns は、<em>各チャンクのレイヤー数のリストを返します</em></p></ul>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">120</span><span class="k">def</span> <span class="nf">balance_layers_simple</span><span class="p">(</span><span class="n">n_layers</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">n_chunks</span><span class="p">:</span> <span class="nb">int</span><span class="p">):</span></pre></div>
        </div>
    </div>
    <div class='section' id='section-16'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-16'>#</a>
            </div>
            
        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">130</span>    <span class="n">balance</span> <span class="o">=</span> <span class="p">[]</span>
<span class="lineno">131</span>    <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">n_chunks</span><span class="p">):</span>
<span class="lineno">132</span>        <span class="n">balance</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">n_layers</span> <span class="o">-</span> <span class="nb">sum</span><span class="p">(</span><span class="n">balance</span><span class="p">))</span> <span class="o">//</span> <span class="p">(</span><span class="n">n_chunks</span> <span class="o">-</span> <span class="n">i</span><span class="p">))</span>
<span class="lineno">133</span>
<span class="lineno">134</span>    <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="nb">reversed</span><span class="p">(</span><span class="n">balance</span><span class="p">))</span></pre></div>
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